US20110179679A1 - Shoe midsole - Google Patents

Shoe midsole Download PDF

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Publication number
US20110179679A1
US20110179679A1 US12/695,584 US69558410A US2011179679A1 US 20110179679 A1 US20110179679 A1 US 20110179679A1 US 69558410 A US69558410 A US 69558410A US 2011179679 A1 US2011179679 A1 US 2011179679A1
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US
United States
Prior art keywords
film
midsole
layer
lower layer
rubber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US12/695,584
Inventor
Larry Clark
Savva Teteriatnikov
Frank Chuang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Skechers USA Inc II
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Skechers USA Inc II
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Skechers USA Inc II filed Critical Skechers USA Inc II
Priority to US12/695,584 priority Critical patent/US20110179679A1/en
Assigned to SKECHERS U.S.A., INC. II reassignment SKECHERS U.S.A., INC. II ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CLARK, LARRY M, CHUANG, FRANK, TETERIATNIKOV, SAVVA
Priority to PCT/US2010/061642 priority patent/WO2011093963A1/en
Assigned to WELLS FARGO CAPITAL FINANCE, LLC (FORMERLY KNOWN AS WELLS FARGO FOOTHILL, LLC), AS AGENT reassignment WELLS FARGO CAPITAL FINANCE, LLC (FORMERLY KNOWN AS WELLS FARGO FOOTHILL, LLC), AS AGENT AMENDMENT NUMBER ONE TO PATENT SECURITY AGREEMENT Assignors: 310 GLOBAL BRANDS, INC., DUNCAN INVESTMENTS, LLC, SEPULVEDA BLVD. PROPERTIES, LLC, SKECHERS BY MAIL, INC., SKECHERS COLLECTION, LLC, SKECHERS SPORT, LLC, SKECHERS U.S.A., INC., SKECHERS U.S.A., INC. II, SKX ILLINOIS, LLC
Publication of US20110179679A1 publication Critical patent/US20110179679A1/en
Assigned to SKECHERS U.S.A., INC. II, SKECHERS SPORT, LLC, DUNCAN INVESTMENTS, LLC, SKECHERS BY MAIL, INC., SKECHERS U.S.A., INC., SKX ILLINOIS, LLC, SEPULVEDA BLVD. PROPERTIES, LLC, SKECHERS COLLECTION, LLC, SAVVA'S CAFE, INC., BRANDBLACK, LLC reassignment SKECHERS U.S.A., INC. II RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS). Assignors: WELLS FARGO CAPITAL FINANCE, LLC
Abandoned legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B1/00Footwear characterised by the material
    • A43B1/0072Footwear characterised by the material made at least partially of transparent or translucent materials
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00Soles; Sole-and-heel integral units
    • A43B13/02Soles; Sole-and-heel integral units characterised by the material
    • A43B13/04Plastics, rubber or vulcanised fibre
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00Soles; Sole-and-heel integral units
    • A43B13/02Soles; Sole-and-heel integral units characterised by the material
    • A43B13/12Soles with several layers of different materials
    • A43B13/125Soles with several layers of different materials characterised by the midsole or middle layer

Definitions

  • the present invention relates to the structure of a midsole for a shoe. More particularly, the present invention relates to a midsole that has a soft layer wrapped in a protective, stabilizing and/or decorative film.
  • Shoes are comprised of an upper, midsole and outsole. Shoes are designed for many purposes—from protection on the job, to performance during athletic activity on the track or court, to special occasions and everyday lifestyle. In order to achieve these purposes, shoes are made with different types of uppers, midsoles and outsoles that enable them to properly suit the activity. Midsoles are an integral part of the shoe and provide stability and cushioning to the user of the shoe.
  • a shoe midsole may be designed with various considerations. Some of those considerations present limitations and disadvantages. In some applications, the midsole must have a soft element in order to facilitate a particular is walking motion. However, due do the soft element, stability is compromised. Furthermore, due to the material that the soft element is made out of, the soft part of the midsole can take on elements, such as water, that may cause chemical reactions and lead to the breakdown of the midsole.
  • Prior art midsoles which have a soft lower layer are unstable and therefore usually require stabilization material such as a shank piece or a relatively hard upper midsole layer.
  • Prior art shoes have attempted to protect the entire midsole, but not in a dual durometer, two layer configuration.
  • Modern midsoles can be comprised of multiple layers. In particular, some midsoles have layers having different durometers of hardness. A soft durometer layer for cushioning and a firmer durometer layer for stability. Materials used are generally comprised of elastomeric materials that would include polyurethane, polyester elastomer, fluoroelastomer, chlorinated polyethylene, polyvinyl chloride, chlorosulfonated polyethylene, polyethylene/ethylene vinyl to acetate copolymer, neoprene, butadiene acrylonitrile rubber, butadiene styrene rubber, ethylene propylene polymer, natural rubber, silicone rubber, polyethylene, synthetic rubber, sulfide rubber, nitrile rubber, halogenated butyl rubber, polyethylene glycol, and combinations thereof.
  • elastomeric materials that would include polyurethane, polyester elastomer, fluoroelastomer, chlorinated polyethylene, polyvinyl chloride, chlorosulfon
  • Soft lower layers in general are not used exclusively as they are not stable and could cause discomfort, pain or injury if is not used in conjunction with a stabilization device, such as a shank piece or relatively hard upper midsole layer to support the lateral to medial motion of the foot.
  • the stabilization device is made from a more dense material such as rubber, plastic, thermoplastic, which acts to control pronation and guide the wearer into the proper gait cycle.
  • the elastomeric materials used for midsoles include foams that are susceptible to damage from the elements that can cause chemical reactions and lead to breakdown of the midsole.
  • outside elements such as extreme heat or cold, hydrolysis, ozone oxidation, UV radiation, and acid rain can cause a chemical breakdown of the elastomeric materials used for midsoles, thus reducing the efficiency and lifespan of the midsole.
  • the present invention seeks to provide a soft midsole which is s wrapped in film to protect it from the elements and to increase stability.
  • the film may also add a decorative component to the midsole by having colors and/or prints on it.
  • the invention includes a midsole that is comprised of a distinct upper layer and a distinct lower layer.
  • the layers may be made of elastomeric materials that would include polyurethane, polyester elastomer, fluoroelastomer, chlorinated polyethylene, polyvinyl chloride, chlorosulfonated polyethylene, polyethylene/ethylene vinyl acetate copolymer, neoprene, butadiene acrylonitrile rubber, butadiene styrene rubber, ethylene propylene polymer, natural rubber, silicone rubber, polyethylene, synthetic rubber, sulfide rubber, nitrite rubber, halogenated butyl rubber, polyethylene glycol, and combinations thereof.
  • the lower layer which may or may not be made of the same material as the upper layer, has a density that is less than the density of the upper layer and is sufficiently low in density and high in compressibility so as to allow the lower layer to compress and deform a higher, or greater, amount under a given weight than the upper layer would compress and deform under that same weight.
  • the layer is particularly susceptible to damage from the elements.
  • Outside elements if allowed to contact the lower layer or seep in between the layers may cause chemical reactions and lead to the breakdown of the midsole.
  • outside elements such as extreme heat or cold, hydrolysis, ozone oxidation, UV radiation, and acid rain can cause a chemical breakdown of the elastomeric materials used for midsoles, thus reducing the efficiency and lifespan of the midsole.
  • the soft lower layer of the midsole is wrapped in film in order to provide protection to that layer from the elements.
  • the film could also provide a new pattern, design or color.
  • the user of the shoe may experience excess instability such that the user loses his balance and falls down.
  • the wrapping of the soft midsole layer with a film counteracts this effect.
  • the film confines the soft midsole layer and prevents excess deformation of that layer, thereby enhancing stability.
  • the wrapping of the soft layer of the midsole in a film is typically done during the molding process.
  • the film is positioned into the mold having a surface complementary to the desired predetermined surface shape of the midsole.
  • the film may be applied in a vacuum mold.
  • the vacuum mold forms the shape of the film so that it is in the desired shape of the midsole layer.
  • the elastomeric material that makes up the midsole layer is poured inside the mold and inside the film that is formed to the desired shape of the midsole layer.
  • the film used in the vacuum mold forming process is formed either to the side or upwards of the midsole layer. Any excess film is then either trimmed or folded over onto the top surface of the midsole layer.
  • FIG. shows the described matter. All such figures are shown in drawings that accompany this specification. Each such figure includes one or more reference numbers that identify one or more part(s) or element(s) of the invention.
  • FIG. 1 is an exploded view of the midsole.
  • FIG. 2 is an exploded view of the lower layer and film.
  • FIG. 3 is a cross section view of the lower layer and film.
  • FIG. 4 is a cross section view of the lower layer and film.
  • FIG. 4A is a cross section view of the midsole.
  • FIG. 5 is an elevation view of the midsole.
  • FIG. 1 This embodiment shows a midsole 101 , the upper layer of the midsole 100 , the lower layer of the midsole 102 and the film 104 .
  • “above” and “below” refer to relative locations of identified elements when a shoe and thus the midsole is in its normal, upright position as shown in FIGS. 1 and 5 .
  • the midsole 101 comprises an upper layer 100 and a lower layer 102 .
  • the upper layer 100 may comprise a plurality of sub-layers.
  • the upper layer 100 has a top surface 113 substantially opposite a bottom surface 115 .
  • the upper layer 100 has a peripheral wall 103 .
  • the lower layer 102 has a top surface 117 substantially opposite a bottom surface 121 .
  • the lower layer 102 has a peripheral wall 105 . As shown in FIGS. 1 and 5 , when the midsole is in its normal, upright position, the lower layer 102 is below the upper layer 100 .
  • the upper layer 100 has a first density and the lower layer 102 has a second density that is less dense than the first density.
  • the upper layer 100 has a first compressibility and the lower layer 102 has a second compressibility that is greater than the first compressibility.
  • the compressibility of the lower layer 102 is relatively high.
  • the upper layer 100 is typically made of elastomeric materials that would include polyurethane, polyester elastomer, fluoroelastomer, chlorinated polyethylene, polyvinyl chloride, chlorosulfonated polyethylene, polyethylene/ethylene vinyl acetate copolymer, neoprene, butadiene acrylonitrile rubber, butadiene styrene rubber, ethylene propylene polymer, natural rubber, silicone rubber, polyethylene, synthetic rubber, sulfide rubber, nitrile rubber, halogenated butyl rubber, polyethylene glycol, and combinations thereof.
  • the upper layer 100 can be made from any other material without departing from the scope of the present invention.
  • the lower layer 102 is made of a compressible and deformable yet resilient material which may or may not be the same material of which the upper layer 100 is made.
  • the upper layer 100 has a bottom surface 115 that may be connected to the top surface 117 of the lower layer 102 by either friction and/or an adhesive, molding and/or other similar means.
  • the upper layer 100 and lower layer 102 can be connected by other means, not connected at all, or connected only in part, without departing from the scope of the present invention.
  • the bottom surface 121 and the peripheral wall 105 of the lower layer 102 are wrapped by film 104 .
  • the film 104 may also overlap the peripheral wall 105 and extend to the top surface 117 of the lower layer 102 .
  • the film may be wrapped by hand, through a molding process, a vacuum molding process or overlay. However, the film may be wrapped by other means without departing from the scope of the present invention.
  • the film 104 may be made out of polyurethane, polyvinyl chloride, rubber, thermal plastic rubber or thermoplastic polyurethane.
  • the film 100 can be made from any other material without departing from the scope of the present invention.
  • the bottom surface 121 and peripheral wall 105 are wrapped by film 104 , prior to the lower layer 102 being connected to the upper layer 100 .
  • FIG. 2 is an exploded view of the lower layer 102 and the film 104 .
  • the film 104 is normally flat or in rolls.
  • the film 104 can either be translucent, transparent, colored or patterned.
  • the film 104 is applied to the bottom surface 121 and peripheral wall 1 . 05 of the lower layer 102 as described above.
  • FIG. 3 shows a cross section view of the film 104 combined with the lower layer 102 , during the production process. As shown, the film 104 overlaps to the side of the lower layer 102 up the peripheral wall 104 and can be trimmed or folded over to the top surface 117 of the lower layer 102 .
  • FIG. 4 is a cross section view of the film 104 combined with the lower layer 102 , during an alternative production process. As shown, the film overlaps upwards of the peripheral wall of the lower layer 102 and can be trimmed or folded over to the top surface 117 .
  • FIG. 4A is a cross section view of the film 104 combined with the lower layer 102 .
  • the film is folded upwards on the top surface 117 of the lower layer 102 .
  • FIG. 5 is an elevation view of a preferred embodiment of the complete midsole 101 .
  • FIG. 5 shows the upper layer 100 placed on top of the lower layer 102 and film 104 combined together to form the complete midsole 101 .
  • the midsole 101 is below a shoe upper (shown in phantom) in a complete shoe.
  • the midsole 101 is above a shoe outsole (shown in phantom) in a complete shoe.

Abstract

A midsole of a shoe with multiple layers in which at least one of the layers is wrapped in film in order to protect it from the elements, provide stability and also to provide some visual features.

Description

    BACKGROUND OF THE INVENTION
  • 1. Field of the Invention
  • The present invention relates to the structure of a midsole for a shoe. More particularly, the present invention relates to a midsole that has a soft layer wrapped in a protective, stabilizing and/or decorative film.
  • 2. Description of the Related Art
  • Shoes are comprised of an upper, midsole and outsole. Shoes are designed for many purposes—from protection on the job, to performance during athletic activity on the track or court, to special occasions and everyday lifestyle. In order to achieve these purposes, shoes are made with different types of uppers, midsoles and outsoles that enable them to properly suit the activity. Midsoles are an integral part of the shoe and provide stability and cushioning to the user of the shoe.
  • A shoe midsole may be designed with various considerations. Some of those considerations present limitations and disadvantages. In some applications, the midsole must have a soft element in order to facilitate a particular is walking motion. However, due do the soft element, stability is compromised. Furthermore, due to the material that the soft element is made out of, the soft part of the midsole can take on elements, such as water, that may cause chemical reactions and lead to the breakdown of the midsole.
  • In general, most footwear functions to keep the foot properly and comfortably positioned, stabilized, and minimizes a tendency toward a medial and/or lateral rolling motion. Prior art midsoles which have a soft lower layer are unstable and therefore usually require stabilization material such as a shank piece or a relatively hard upper midsole layer. Prior art shoes have attempted to protect the entire midsole, but not in a dual durometer, two layer configuration.
  • Modern midsoles can be comprised of multiple layers. In particular, some midsoles have layers having different durometers of hardness. A soft durometer layer for cushioning and a firmer durometer layer for stability. Materials used are generally comprised of elastomeric materials that would include polyurethane, polyester elastomer, fluoroelastomer, chlorinated polyethylene, polyvinyl chloride, chlorosulfonated polyethylene, polyethylene/ethylene vinyl to acetate copolymer, neoprene, butadiene acrylonitrile rubber, butadiene styrene rubber, ethylene propylene polymer, natural rubber, silicone rubber, polyethylene, synthetic rubber, sulfide rubber, nitrile rubber, halogenated butyl rubber, polyethylene glycol, and combinations thereof. Soft lower layers in general are not used exclusively as they are not stable and could cause discomfort, pain or injury if is not used in conjunction with a stabilization device, such as a shank piece or relatively hard upper midsole layer to support the lateral to medial motion of the foot. The stabilization device is made from a more dense material such as rubber, plastic, thermoplastic, which acts to control pronation and guide the wearer into the proper gait cycle.
  • Furthermore, the elastomeric materials used for midsoles include foams that are susceptible to damage from the elements that can cause chemical reactions and lead to breakdown of the midsole. In particular, outside elements such as extreme heat or cold, hydrolysis, ozone oxidation, UV radiation, and acid rain can cause a chemical breakdown of the elastomeric materials used for midsoles, thus reducing the efficiency and lifespan of the midsole.
  • Also, there is difficulty printing intricate patterns on elastomeric materials used for midsoles and it is costly to change the color of the elastomeric material to represent a different color for each shoe style.
  • The present invention seeks to provide a soft midsole which is s wrapped in film to protect it from the elements and to increase stability. The film may also add a decorative component to the midsole by having colors and/or prints on it.
  • SUMMARY OF THE INVENTION
  • It is an object of the present invention to have a midsole with a layer that is relatively soft that is wrapped in an impermeable film such as thermoplastic polyurethane, polyvinyl chloride, or polyolefin.
  • In a preferred embodiment, the invention includes a midsole that is comprised of a distinct upper layer and a distinct lower layer. The layers may be made of elastomeric materials that would include polyurethane, polyester elastomer, fluoroelastomer, chlorinated polyethylene, polyvinyl chloride, chlorosulfonated polyethylene, polyethylene/ethylene vinyl acetate copolymer, neoprene, butadiene acrylonitrile rubber, butadiene styrene rubber, ethylene propylene polymer, natural rubber, silicone rubber, polyethylene, synthetic rubber, sulfide rubber, nitrite rubber, halogenated butyl rubber, polyethylene glycol, and combinations thereof.
  • The lower layer, which may or may not be made of the same material as the upper layer, has a density that is less than the density of the upper layer and is sufficiently low in density and high in compressibility so as to allow the lower layer to compress and deform a higher, or greater, amount under a given weight than the upper layer would compress and deform under that same weight.
  • Due to the low density of the lower layer, the layer is particularly susceptible to damage from the elements. Outside elements, if allowed to contact the lower layer or seep in between the layers may cause chemical reactions and lead to the breakdown of the midsole. In particular, outside elements such as extreme heat or cold, hydrolysis, ozone oxidation, UV radiation, and acid rain can cause a chemical breakdown of the elastomeric materials used for midsoles, thus reducing the efficiency and lifespan of the midsole.
  • In order to prevent such damage, the soft lower layer of the midsole is wrapped in film in order to provide protection to that layer from the elements. The film could also provide a new pattern, design or color.
  • Furthermore, when a soft midsole layer is used in a shoe, the user of the shoe may experience excess instability such that the user loses his balance and falls down. The wrapping of the soft midsole layer with a film counteracts this effect. The film confines the soft midsole layer and prevents excess deformation of that layer, thereby enhancing stability.
  • The wrapping of the soft layer of the midsole in a film is typically done during the molding process. The film is positioned into the mold having a surface complementary to the desired predetermined surface shape of the midsole. The film may be applied in a vacuum mold. The vacuum mold forms the shape of the film so that it is in the desired shape of the midsole layer. The elastomeric material that makes up the midsole layer is poured inside the mold and inside the film that is formed to the desired shape of the midsole layer.
  • The film used in the vacuum mold forming process is formed either to the side or upwards of the midsole layer. Any excess film is then either trimmed or folded over onto the top surface of the midsole layer.
  • BRIEF DESCRIPTION OF THE DRAWINGS
  • By way of example only, selected embodiments and aspects of the present invention are described below. Each such description refers to a particular figure (“FIG.”) which shows the described matter. All such figures are shown in drawings that accompany this specification. Each such figure includes one or more reference numbers that identify one or more part(s) or element(s) of the invention.
  • FIG. 1 is an exploded view of the midsole.
  • FIG. 2 is an exploded view of the lower layer and film.
  • FIG. 3 is a cross section view of the lower layer and film.
  • FIG. 4 is a cross section view of the lower layer and film.
  • FIG. 4A is a cross section view of the midsole.
  • FIG. 5 is an elevation view of the midsole.
  • DESCRIPTION OF PREFERRED EMBODIMENTS
  • The invention will now be described with reference to the preferred embodiment shown in FIG. 1. This embodiment shows a midsole 101, the upper layer of the midsole 100, the lower layer of the midsole 102 and the film 104. As used herein, “above” and “below” refer to relative locations of identified elements when a shoe and thus the midsole is in its normal, upright position as shown in FIGS. 1 and 5.
  • The midsole 101, as shown in FIG. 1, comprises an upper layer 100 and a lower layer 102. The upper layer 100 may comprise a plurality of sub-layers. The upper layer 100 has a top surface 113 substantially opposite a bottom surface 115. The upper layer 100 has a peripheral wall 103. The lower layer 102 has a top surface 117 substantially opposite a bottom surface 121. The lower layer 102 has a peripheral wall 105. As shown in FIGS. 1 and 5, when the midsole is in its normal, upright position, the lower layer 102 is below the upper layer 100.
  • In the preferred embodiment, the upper layer 100 has a first density and the lower layer 102 has a second density that is less dense than the first density. The upper layer 100 has a first compressibility and the lower layer 102 has a second compressibility that is greater than the first compressibility. The compressibility of the lower layer 102 is relatively high. The upper layer 100 is typically made of elastomeric materials that would include polyurethane, polyester elastomer, fluoroelastomer, chlorinated polyethylene, polyvinyl chloride, chlorosulfonated polyethylene, polyethylene/ethylene vinyl acetate copolymer, neoprene, butadiene acrylonitrile rubber, butadiene styrene rubber, ethylene propylene polymer, natural rubber, silicone rubber, polyethylene, synthetic rubber, sulfide rubber, nitrile rubber, halogenated butyl rubber, polyethylene glycol, and combinations thereof. However, the upper layer 100 can be made from any other material without departing from the scope of the present invention. The lower layer 102 is made of a compressible and deformable yet resilient material which may or may not be the same material of which the upper layer 100 is made. The upper layer 100 has a bottom surface 115 that may be connected to the top surface 117 of the lower layer 102 by either friction and/or an adhesive, molding and/or other similar means. However, the upper layer 100 and lower layer 102 can be connected by other means, not connected at all, or connected only in part, without departing from the scope of the present invention.
  • In the preferred embodiment, the bottom surface 121 and the peripheral wall 105 of the lower layer 102 are wrapped by film 104. The film 104 may also overlap the peripheral wall 105 and extend to the top surface 117 of the lower layer 102. The film may be wrapped by hand, through a molding process, a vacuum molding process or overlay. However, the film may be wrapped by other means without departing from the scope of the present invention. The film 104 may be made out of polyurethane, polyvinyl chloride, rubber, thermal plastic rubber or thermoplastic polyurethane. However, the film 100 can be made from any other material without departing from the scope of the present invention. The bottom surface 121 and peripheral wall 105 are wrapped by film 104, prior to the lower layer 102 being connected to the upper layer 100.
  • FIG. 2 is an exploded view of the lower layer 102 and the film 104. As shown, the film 104 is normally flat or in rolls. The film 104 can either be translucent, transparent, colored or patterned. The film 104 is applied to the bottom surface 121 and peripheral wall 1.05 of the lower layer 102 as described above.
  • FIG. 3 shows a cross section view of the film 104 combined with the lower layer 102, during the production process. As shown, the film 104 overlaps to the side of the lower layer 102 up the peripheral wall 104 and can be trimmed or folded over to the top surface 117 of the lower layer 102.
  • FIG. 4 is a cross section view of the film 104 combined with the lower layer 102, during an alternative production process. As shown, the film overlaps upwards of the peripheral wall of the lower layer 102 and can be trimmed or folded over to the top surface 117.
  • FIG. 4A is a cross section view of the film 104 combined with the lower layer 102. During the production process, as shown, the film is folded upwards on the top surface 117 of the lower layer 102.
  • FIG. 5 is an elevation view of a preferred embodiment of the complete midsole 101. FIG. 5 shows the upper layer 100 placed on top of the lower layer 102 and film 104 combined together to form the complete midsole 101. The midsole 101 is below a shoe upper (shown in phantom) in a complete shoe. The midsole 101 is above a shoe outsole (shown in phantom) in a complete shoe.

Claims (8)

1. A shoe midsole comprising:
A plurality of layers each having a surface substantially opposite the surface on an adjacent layer;
wherein at least one layer in the plurality of layers is wrapped by a film.
2. The shoe of claim 1 in which said film is transparent.
3. The shoe of claim 1 in which the film is selected from the group consisting of polyurethane, polyvinyl chloride, rubber and thermal plastic rubber or combination thereof.
4. The shoe of claim 1 in which the film is comprised of at least one member of the group consisting of polyurethane, polyvinyl chloride, rubber and thermal plastic rubber.
5. A shoe midsole comprising:
a plurality of layers;
said plurality of layers comprising an upper layer and a lower layer;
wherein said upper layer and said lower layer each having a density wherein the density of the upper layer is denser than the density of the lower layer; and
a film wrapped around said lower layer.
6. The shoe of claim 4 in which said film is transparent.
7. The shoe of claim 4 in which the film is selected from the group consisting of polyurethane, polyvinyl chloride, rubber and thermal plastic rubber or combination thereof.
8. The shoe of claim 4 in which the film is comprised of at least one member of the group consisting of polyurethane, polyvinyl chloride, rubber and thermal plastic rubber.
US12/695,584 2010-01-28 2010-01-28 Shoe midsole Abandoned US20110179679A1 (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110138659A1 (en) * 2008-06-17 2011-06-16 Dongseo University Technology Headquarters Shoe Sole for Losing Weight and Shoe Having the Same
US20150082668A1 (en) * 2012-05-10 2015-03-26 Asics Corporation Shoe Sole Having Outsole and Midsole
USD773160S1 (en) * 2016-01-25 2016-12-06 Cole Haan Llc Shoe sole
USD779805S1 (en) 2016-01-25 2017-02-28 Cole Haan Llc Shoe sole
USD798553S1 (en) * 2015-12-18 2017-10-03 Nike, Inc. Shoe midsole
USD818252S1 (en) 2016-01-25 2018-05-22 Cole Haan Llc Shoe sole
USD820570S1 (en) 2016-08-30 2018-06-19 Cole Haan Llc Shoe sole
USD832564S1 (en) 2016-08-30 2018-11-06 Cole Haan Llc Shoe sole
US10244813B2 (en) 2016-05-19 2019-04-02 Vionic Group LLC Sandals with biomechanical foot support
USD915039S1 (en) * 2019-10-04 2021-04-06 Nike, Inc. Shoe
US20210251334A1 (en) * 2018-08-30 2021-08-19 Asics Corporation Shoe sole member and shoe
USD978493S1 (en) * 2020-04-29 2023-02-21 L.P. Royer Footwear midsole

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